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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Urinary calculi.






2. Help to signal hormone levels which we need both in the brain right next to each other.






3. Start of the reproductive tract for the female. located outside of the body






4. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






5. Sperm is produced here






6. Can produce 200 calves naturally (~100 bulls) - top 1-2% will grade like him. everything left to chance if no AI performed






7. 283 days






8. Important 'landmark' during palpation






9. (male) pushes the testes upward toward the body for warmth or protection






10. 30 hours after estrus begins






11. FEED






12. 1. brain function - 2. blood flow - 3. willing female






13. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge






14. Milk ~305 days - dry 60 days prior to calving






15. Provide nourishment for the developing sperm






16. To remove/separate testicles from animal's body before animal reaches puberty






17. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






18. Animals which have many estrous periods during certain periods per year (ex: mare - ewe)






19. 1-2 days






20. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






21. (switzerland) 2nd in size and milk production - most muscle -






22. Failure to have one testis (gonad) to descend






23. Prevent the cow from getting an infection from the calve






24. ~305 days (altough often longer due to breeding difficulties)






25. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






26. 30-38 hours after estrus cycle begins






27. Look for infection - split - and rupture of the penis






28. 30-38 hours after estrus cycle begins






29. Actual heat cycle (period)






30. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






31. Male on one pin and female on other side






32. Implies the amount of estrogen production






33. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING






34. 265-285 days






35. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






36. 19-23 (21) days






37. Produce testosterone. located between the seminiferous tubules






38. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.






39. Days which have increasing daylight hours


40. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






41. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






42. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






43. 147 days






44. Days which have decreasing daylight hours


45. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






46. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






47. (LH) stimulates the Leydig cells to produce testosterone






48. 1-3 days






49. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract






50. Not under a timeline - cow can not be sold as steak